/* 0.网站样式统一定义 */
html {
    font-size: 62.5%;
}

body {
    font-size: 1.4rem;
    color: #575757;
  line-height: 2rem;
  --site-width: 100%;
}


h1,h2,h3,h4,h5,h6,ul,p,figure {
  margin: 0;
  padding: 0;
}

li {
    list-style-type: none;
}

a {
    text-decoration: none;
}

/* 自适应父容器大小 */
img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}


/* 0-1. 页面容器宽度定义 */
header,
nav,
main,
footer {
  width: calc(var(--site-width));
  margin: 0 auto;
}

/* 0-2. 公用定义 */
.w1200 {
    width: 120rem;
    margin: 0 auto;
}

.mt30{
    margin-top: 3rem;
}

.mt20 {
    margin-top: 2rem;
}

.mt10 {
    margin-top: 1rem;
}

.mp {
    margin: 1.6rem 0 2rem 0;
    padding: 0 8px 0 10px;
}

/* 1.页面头部 */

header {
    min-width: max-content;
}

.top_nav {
    display: flex;
    color: #a5a4a4;
    align-items: center;
    height: 3.6rem;
}

.top_nav .push_right {
    margin-left: auto;
}

.top_nav a {
    color: #d1d1d1;
    padding-right: 1rem;
}

.top_nav a:not(:last-of-type)::after {
    content: "|";
    display: inline-block;
    margin-left: 1rem;
}

.logo {
    display: flex;
}

.searchbg {
    width: 295px;
    height: 40px;
    line-height: 35px;
    background: no-repeat url(image/search_bj.png); 
    margin-left: auto;
    position: relative;
}

.searchbg [type="text"] {
    font-size: 1.4rem;
	color: #a2a2a2;
    background: #f0f0f0;
    border: 0px;
    outline: 0;
    margin-left: 16px;
}

.searchbg [type="image"] {
    top: 3px;
    right: 3px;
    position: absolute;
}

/* 页面导航 */
nav {
    background: #0b6db8;
    min-width: max-content;
}


nav ul {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

nav li {
    width: 14.7rem;
    height: 5rem;
}

nav a {
    display: block;
    text-align: center;
    height: 5rem;
    line-height: 5rem;
    overflow: hidden;
}

nav li > a {
    color: #fff;
    font-size: 1.6rem;
}

.second{
    background-color: #1c4d98;
}

/* 二级导航菜单 */

nav .sub_menu {
    display: none;
    position: absolute;
}

nav li:hover ul.sub_menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background-color: rgba(0, 0, 0, 0.5);
    width: 14.7rem;
    z-index: 999;
}

nav ul.sub_menu li:hover > a {
    background-color: #1c4d98;
}

/* 页面主体——边栏 */
.bluk {
    display: flex;
    align-items: flex-start;
    height: 78.8rem;
}

.bluk aside li {
    width: 24rem;
    height: 5rem;
    line-height: 5rem;
    text-align: center;
    border-bottom: 1px solid #efefef;

}

.bluk aside li a {
    color: #787878;
    font-size: 1.6rem;
}

.bluk aside li.afirst {
    background: #0b6db8;
}   

.bluk aside li.afirst a {
    color: #fff;
    font-size: 1.8rem;
}

.bluk aside a.asceond {
    color: #0b6db8;
}

/* 页面主体——信息 */

.message {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
}

.message header {
    height: 4.9rem;
    line-height: 4.9rem;
    border-bottom: 1px solid #0b6db8;
}

.message header img {
    padding-top: 1.8rem;
    margin-right: 0.8rem;
}

.message header a {
    color: #787878;
    font-size: 1.4rem;
}

.message header a::after {
    content: " >";
}

.message header a:last-child::after {
    content: " ";
}

.message article {
    padding: 2rem 0;
}

.message article p {
    font-size: 1.4rem;
    color: #606060;
    text-indent: 2rem;
    line-height: 3rem;
    padding-bottom: 2.6rem;
}

/* 页面底部 */
footer {
    background: #1c4d98;
    color: #fff;
    text-align: center;
    font-size: 1.4rem;
    height: 6rem;
    padding-top: 2rem;
}

footer address {
    font-style: normal;
}

footer address a {
    color: #333;
    cursor: pointer;
}